Impaled battery caused blaze, Tesla says October 4, 2013
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GM, Nissan plug-in deals power battery car sales September 6, 2013
Tesla Model S packs power, style August 31, 2013
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Shares of Tesla Motors Inc. fell $12.05 to $180.95 — the stock's biggest one-day decline since July 16.
The incident happened Tuesday after 8 a.m. as the driver was traveling southbound on state Route 167 through Kent, said Trooper Chris Webb of the Washington State Patrol. The driver stated that he believed he had struck some metal debris on the freeway, so he exited the highway and the vehicle became disabled.
The driver told authorities he began to smell something burning and then the vehicle caught fire. Firefighters needed several attempts to extinguish the flames because the blaze kept reigniting, Webb said. A trooper who responded to the scene was unable to locate any objects on the roadway, but Department of Transportation workers did observe some debris near the scene.
Webb said there was too much damage from the fire to see what damage the debris may have caused.
The automobile website Jalopnik.com posted photos of the blaze that it says were taken by a reader, along with a video. The video shows the front of the Tesla Model S in flames.
Tesla said the flames were contained to the front of the $70,000 vehicle due to its design and construction. Company spokeswoman Liz Jarvis-Shean said there were no indications that the fire was caused by anything other than the crash.
"This was not a spontaneous event," she said. "Every indication we have at this point is that the fire was a result of the collision and the damage sustained through that."
Shares of Palo Alto, Calif.-based Tesla have risen more than 400 percent since the start of the year. But investors likely were alarmed, with some selling their shares, out of fear that the fire could be an indication of a flaw in the company's battery packs.
The company's battery system and the Model S itself have received rave reviews, including a top crash-test score from the National Highway Traffic Safety Administration and a tie for the highest auto test score ever recorded by Consumer Reports magazine.
After getting the top crash test score, Tesla touted the Model S as being "the safest car in America." The car's liquid-cooled 85 kilowatt-hour battery, mounted below the passenger compartment floor, uses lithium-ion chemistry similar to batteries that power laptop computers and mobile phones. Millions of such rechargeable batteries were recalled in 2006 and 2007 after it was discovered they could overheat and ignite.
Two years ago, battery fires broke out in three Chevrolet Volt plug-in hybrid cars after crash-testing, but NHTSA investigators determined that the Volt was no more risky than vehicles with conventional gasoline engines.
Officials from General Motors Co. and the government believe the fires were caused by coolant leaking from damaged plastic casing around the batteries after side-impact test crashes. At the time, they said there were no real-world fires in any Volts.
Still, the fires tarnished the Volt's reputation and cut into sales. Recently, though, sales of the car have recovered. Sales are up about 3 percent this year, with GM selling about 17,000 through September.
Earlier this year, Boeing Co.'s worldwide fleet of 787 planes was grounded because lithium-ion batteries overheated or caught fire. Flights resumed four months later after a revamped battery system was installed.
Under normal circumstances, investigators from NHTSA, the government's auto safety watchdog, would travel to Seattle to investigate the Tesla crash. But with the partial government shutdown, NHTSA stopped posting recall information on its website and it was unclear when or if an investigation would begin.
Also contributing to Tesla shares' decline Wednesday was a rare downgrade of the company from an analyst. R.W. Baird analyst Ben Kallo cut his rating on the stock from "Outperform" to "Neutral," telling investors that while he's still bullish on Tesla's long-term prospects, the company has "significant milestones" during the next 18 months that come with risk.
See the video here. Caution corse language.
- Impaled battery caused blaze, Tesla says 10/4/13
- GM working on 200-mile electric car, exec says 9/16/13
- GM, Nissan plug-in deals power battery car sales 9/6/13
- Tesla Model S packs power, style 8/31/13
- Street Smarts: Hyperloop faster, cheaper than speeding bullet train? 8/26/13
- Street Smarts: Tesla electric car owners can now juice up in Burlington 7/22/13
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